#switch {
  overflow: auto;
  list-style: none;
  padding: 0; 
  margin: 0;
}
#switch li {
  float: left;
  padding: 0.1em; 
  margin: 0.1em 1em 0.1em 0;
  background: #EEE;
  cursor: pointer;
}
#switch li.current {
  background: #CCC;
}